Progress of Two-Dimensional Ti3 C2 Tx in Supercapacitors.,ChemSusChem

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Progress of Two-Dimensional Ti3 C2 Tx in Supercapacitors.
ChemSusChem ( IF 7.5 ) Pub Date : 2019-12-09 , DOI: 10.1002/cssc.201902679
Lu Li ₁ , Jing Wen ₁ , Xitian Zhang ₁

Affiliation

Exploring stable cycling electrode materials with high energy and power density is the key to accelerating the development and application of supercapacitors. Ti3 C2 Tx , which is the most investigated member of the family of two-dimensional layered transition-metal carbides, has attracted considerable attention, owing to its unique two-dimensional morphology, large interlayer spacing, outstanding metallic conductivity, abundant chemical surface, and ultrahigh volumetric capacitance. However, the inherent restacking tendency of ultrathin Ti3 C2 Tx sheets hinder its practical application. In this review, the synthetic methods and charge-storage mechanisms of Ti3 C2 Tx are stressed to provide clues for improving its electrochemical performance. Functionalization, including architectural construction, hybridization, and surface modification of the Ti3 C2 Tx sheets, to circumvent difficulties and application in supercapacitors is then summarized. Accordingly, the aim is to highlight the opportunities and challenges for Ti3 C2 Tx -based materials in practical applications in supercapacitors.

中文翻译：

超级电容器中二维Ti3 C2 Tx的研究进展。

探索具有高能量和功率密度的稳定循环电极材料是加速超级电容器开发和应用的关键。Ti3 C2 Tx是二维层状过渡金属碳化物家族中研究最多的成员，由于其独特的二维形态，较大的层间距，出色的金属电导率，丰富的化学表面以及较高的介电常数，备受关注。超高体积电容。然而，超薄Ti3 C2 Tx片材固有的重堆积趋势阻碍了其实际应用。在这篇综述中，强调了Ti3 C2 Tx的合成方法和电荷存储机理，为改善其电化学性能提供了线索。功能化，包括建筑结构，混合动力，然后总结了Ti3 C2 Tx片材的表面改性和表面改性，以克服困难并在超级电容器中的应用。因此，目的是强调在超级电容器的实际应用中基于Ti3C2Tx的材料的机遇和挑战。

更新日期：2020-02-20

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